Universidad Peruana Cayetano Heredia

Validity of the posttraumatic stress disorders (PTSD) checklist in pregnant women

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dc.contributor.author Gelaye, B.
dc.contributor.author Zheng, Y. N.
dc.contributor.author Medina-Mora, M. E.
dc.contributor.author Rondon, M. B.
dc.contributor.author Sanchez, S. E.
dc.contributor.author Williams, M. A.
dc.date.accessioned 2019-01-25T16:20:58Z
dc.date.available 2019-01-25T16:20:58Z
dc.date.issued 2017
dc.identifier.uri https://hdl.handle.net/20.500.12866/4819
dc.description.abstract Background: The PTSD Checklist-civilian (PCL-C) is one of the most commonly used self-report measures of PTSD symptoms, however, little is known about its validity when used in pregnancy. This study aims to evaluate the reliability and validity of the PCL-C as a screen for detecting PTSD symptoms among pregnant women. Methods: A total of 3372 pregnant women who attended their first prenatal care visit in Lima, Peru participated in the study. We assessed the reliability of the PCL-C items using Cronbach's alpha. Criterion validity and performance characteristics of PCL-C were assessed against an independent, blinded Clinician-Administered PTSD Scale (CAPS) interview using measures of sensitivity, specificity and receiver operating characteristics (ROC) curves. We tested construct validity using exploratory and confirmatory factor analytic approaches. Results: The reliability of the PCL-C was excellent (Cronbach's alpha =0.90). ROC analysis showed that a cut-off score of 26 offered optimal discriminatory power, with a sensitivity of 0.86 (95% CI: 0.78-0.92) and a specificity of 0. 63 (95% CI: 0.62-0.65). The area under the ROC curve was 0.75 (95% CI: 0.71-0.78). A three-factor solution was extracted using exploratory factor analysis and was further complemented with three other models using confirmatory factor analysis (CFA). In a CFA, a three-factor model based on DSM-IV symptom structure had reasonable fit statistics with comparative fit index of 0.86 and root mean square error of approximation of 0.09. Conclusion: The Spanish-language version of the PCL-C may be used as a screening tool for pregnant women. The PCL-C has good reliability, criterion validity and factorial validity. The optimal cut-off score obtained by maximizing the sensitivity and specificity should be considered cautiously; women who screened positive may require further investigation to confirm PTSD diagnosis. en_US
dc.language.iso eng
dc.publisher BioMed Central
dc.relation.ispartofseries BMC Psychiatry
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject Peru en_US
dc.subject Pregnancy en_US
dc.subject Psychiatry en_US
dc.subject Psychometrics en_US
dc.subject primary-care en_US
dc.subject civilian version en_US
dc.subject confirmatory factor-analysis en_US
dc.subject domestic violence en_US
dc.subject exploratory factor-analysis en_US
dc.subject intimate partner violence en_US
dc.subject patients en_US
dc.subject PCL-C en_US
dc.subject Post-traumatic stress disorder en_US
dc.subject preterm birth en_US
dc.subject psychometric properties en_US
dc.subject severe mental-illness en_US
dc.subject version pcl-c en_US
dc.title Validity of the posttraumatic stress disorders (PTSD) checklist in pregnant women en_US
dc.type info:eu-repo/semantics/article
dc.identifier.doi https://doi.org/10.1186/s12888-017-1304-4
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#3.02.24
dc.relation.issn 1471-244X


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